Analog Communication System Objective Questions and Answers

71. Video transmission in TV broadcast is usually on

72. For providing two or more voice circuits with the same carrier, it is necessary to use

73. A duplexer isa device used to

74. Polarisation of radio wave is determined

75. The total bandwidth needed for an AM signal at 55.25 MHz with 0.5 video modulation is

76. The RF section of a radio transmitter generally consists of

77. In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is

Electronics Engineering Objective Questions { Analog Communication System }